From c048d63924529b892edd19630672300a65e89365 Mon Sep 17 00:00:00 2001
From: agc <agc@NetBSD.org>
Date: Sat, 19 May 2007 06:15:38 +0000
Subject: [PATCH] Add a function to return the virtual offset in the virtdir_t
 tree.

---
 share/examples/refuse/virtdir/virtdir.c | 7 +++++++
 share/examples/refuse/virtdir/virtdir.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/share/examples/refuse/virtdir/virtdir.c b/share/examples/refuse/virtdir/virtdir.c
index ba7658e0ff76..1529f9ef6f2f 100644
--- a/share/examples/refuse/virtdir/virtdir.c
+++ b/share/examples/refuse/virtdir/virtdir.c
@@ -156,6 +156,13 @@ virtdir_find(virtdir_t *tp, const char *name, size_t namelen)
 	return bsearch(&e, tp->v, tp->c, sizeof(tp->v[0]), compare);
 }
 
+/* return the virtual offset in the tree */
+int
+virtdir_offset(virtdir_t *tp, virt_dirent_t *dp)
+{
+	return (int)((dp - tp->v));
+}
+
 /* analogous to opendir(3) - open a directory, save information, and
 * return a pointer to the dynamically allocated structure */
 VIRTDIR *
diff --git a/share/examples/refuse/virtdir/virtdir.h b/share/examples/refuse/virtdir/virtdir.h
index 6e48e17353e5..fb88c801449b 100644
--- a/share/examples/refuse/virtdir/virtdir.h
+++ b/share/examples/refuse/virtdir/virtdir.h
@@ -75,4 +75,6 @@ VIRTDIR *openvirtdir(virtdir_t *, const char *);
 virt_dirent_t *readvirtdir(VIRTDIR *);
 void closevirtdir(VIRTDIR *);
 
+int virtdir_offset(virtdir_t *, virt_dirent_t *);
+
 #endif